disengage

1[transitive,intransitive]to free someone or something from the person or thing that is holding them or it; to become freedisengage yourself (from somebody/something)She gently disengaged herself from her sleeping son.(figurative)They wished to disengage themselves from these policies.disengage (something/somebody) (from something/somebody)to disengage the clutch (= when driving a car)We saw the booster rockets disengage and fall into the ocean.

2[intransitive,transitive]disengage (something)(technology)if an army disengages or someone disengages it, it stops fighting and moves awaycompareengage